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<tr class="t-nv-h2"><td colspan="5"> 迭代器</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="iterator.html" title="cpp/header/iterator"><tt>&lt;iterator&gt;</tt></a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 范围</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="ranges.html" title="cpp/header/ranges"><tt>&lt;ranges&gt;</tt></a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 算法</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <strong class="selflink"><tt>&lt;algorithm&gt;</tt></strong></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="execution.html" title="cpp/header/execution"><tt>&lt;execution&gt;</tt></a></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 数值</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="complex.html" title="cpp/header/complex"><tt>&lt;complex&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="random.html" title="cpp/header/random"><tt>&lt;random&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="valarray.html" title="cpp/header/valarray"><tt>&lt;valarray&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="numeric.html" title="cpp/header/numeric"><tt>&lt;numeric&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="bit.html" title="cpp/header/bit"><tt>&lt;bit&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="numbers.html" title="cpp/header/numbers"><tt>&lt;numbers&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="cfenv.html" title="cpp/header/cfenv"><tt>&lt;cfenv&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="cmath.html" title="cpp/header/cmath"><tt>&lt;cmath&gt;</tt></a></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 输入/输出</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="iosfwd.html" title="cpp/header/iosfwd"><tt>&lt;iosfwd&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="ios.html" title="cpp/header/ios"><tt>&lt;ios&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="iomanip.html" title="cpp/header/iomanip"><tt>&lt;iomanip&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="streambuf.html" title="cpp/header/streambuf"><tt>&lt;streambuf&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="istream.html" title="cpp/header/istream"><tt>&lt;istream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="ostream.html" title="cpp/header/ostream"><tt>&lt;ostream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="iostream.html" title="cpp/header/iostream"><tt>&lt;iostream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="sstream.html" title="cpp/header/sstream"><tt>&lt;sstream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="fstream.html" title="cpp/header/fstream"><tt>&lt;fstream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="syncstream.html" title="cpp/header/syncstream"><tt>&lt;syncstream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="cstdio.html" title="cpp/header/cstdio"><tt>&lt;cstdio&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="cinttypes.html" title="cpp/header/cinttypes"><tt>&lt;cinttypes&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="strstream.html" title="cpp/header/strstream"><tt>&lt;strstream&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 正则表达式</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="regex.html" title="cpp/header/regex"><tt>&lt;regex&gt;</tt></a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 文件系统</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="filesystem.html" title="cpp/header/filesystem"><tt>&lt;filesystem&gt;</tt></a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 线程支持</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="thread.html" title="cpp/header/thread"><tt>&lt;thread&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="atomic.html" title="cpp/header/atomic"><tt>&lt;atomic&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="mutex.html" title="cpp/header/mutex"><tt>&lt;mutex&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="shared_mutex.html" title="cpp/header/shared mutex"><tt>&lt;shared_mutex&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="condition_variable.html" title="cpp/header/condition variable"><tt>&lt;condition_variable&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="future.html" title="cpp/header/future"><tt>&lt;future&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="stop_token.html" title="cpp/header/stop token"><tt>&lt;stop_token&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="semaphore.html" title="cpp/header/semaphore"><tt>&lt;semaphore&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="latch.html" title="cpp/header/latch"><tt>&lt;latch&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/barrier&amp;action=edit&amp;redlink=1" class="new" title="cpp/header/barrier（页面不存在）"><tt>&lt;barrier&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> C 兼容</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="ciso646.html" title="cpp/header/ciso646"><tt>&lt;ciso646&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="cstdalign.html" title="cpp/header/cstdalign"><tt>&lt;cstdalign&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="cstdbool.html" title="cpp/header/cstdbool"><tt>&lt;cstdbool&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="ccomplex.html" title="cpp/header/ccomplex"><tt>&lt;ccomplex&gt;</tt></a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="ctgmath.html" title="cpp/header/ctgmath"><tt>&lt;ctgmath&gt;</tt></a></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div></div>
<p>此头文件是<a href="../algorithm.html" title="cpp/algorithm">算法</a>库的一部分。
</p>
<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">函数</span></h3>
<table class="t-dsc-begin">

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E4.B8.8D.E4.BF.AE.E6.94.B9.E5.BA.8F.E5.88.97.E7.9A.84.E6.93.8D.E4.BD.9C">  不修改序列的操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/all_any_none_of.html" title="cpp/algorithm/all any none of"> <span class="t-lines"><span>all_of</span><span>any_of</span><span>none_of</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   检查谓词是否对范围中所有、任一或无元素为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span>  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/for_each.html" title="cpp/algorithm/for each"> <span class="t-lines"><span>for_each</span></span></a></div></div>
</td>
<td>   应用函数到范围中的元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/for_each_n.html" title="cpp/algorithm/for each n"> <span class="t-lines"><span>for_each_n</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div>
</td>
<td>   应用一个函数对象到序列的前 n 个元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/count_if.html" title="cpp/algorithm/count"> <span class="t-lines"><span>count</span><span>count_if</span></span></a></div></div>
</td>
<td>  返回满足指定判别标准的元素数 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/mismatch.html" title="cpp/algorithm/mismatch"> <span class="t-lines"><span>mismatch</span></span></a></div></div>
</td>
<td>   寻找两个范围出现不同的首个位置  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/find_if_not.html" title="cpp/algorithm/find"> <span class="t-lines"><span>find</span><span>find_if</span><span>find_if_not</span></span></a></div><div><span class="t-lines"><span></span><span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   寻找首个满足特定判别标准的元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/find_end.html" title="cpp/algorithm/find end"> <span class="t-lines"><span>find_end</span></span></a></div></div>
</td>
<td>   在特定范围中寻找最后出现的元素序列 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/find_first_of.html" title="cpp/algorithm/find first of"> <span class="t-lines"><span>find_first_of</span></span></a></div></div>
</td>
<td>   搜索元素集合中的任意元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/adjacent_find.html" title="cpp/algorithm/adjacent find"> <span class="t-lines"><span>adjacent_find</span></span></a></div></div>
</td>
<td>   查找首对相邻的相同（或满足给定谓词的）元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/search.html" title="cpp/algorithm/search"> <span class="t-lines"><span>search</span></span></a></div></div>
</td>
<td>   搜索一个元素范围  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/search_n.html" title="cpp/algorithm/search n"> <span class="t-lines"><span>search_n</span></span></a></div></div>
</td>
<td>   在范围中搜索一定量的某个元素的连续副本  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E4.BF.AE.E6.94.B9.E5.BA.8F.E5.88.97.E7.9A.84.E6.93.8D.E4.BD.9C">  修改序列的操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/copy.html" title="cpp/algorithm/copy"> <span class="t-lines"><span>copy</span><span>copy_if</span></span></a></div><div><span class="t-lines"><span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   将某一范围的元素复制到一个新的位置 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/copy_n.html" title="cpp/algorithm/copy n"> <span class="t-lines"><span>copy_n</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   将一定数目的元素复制到一个新的位置 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/copy_backward.html" title="cpp/algorithm/copy backward"> <span class="t-lines"><span>copy_backward</span></span></a></div></div>
</td>
<td>   按从后往前的顺序复制一个范围内的元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/move.html" title="cpp/algorithm/move"> <span class="t-lines"><span>move</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   将某一范围的元素移动到一个新的位置 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/move_backward.html" title="cpp/algorithm/move backward"> <span class="t-lines"><span>move_backward</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   按从后往前的顺序移动某一范围的元素到新的位置  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/fill.html" title="cpp/algorithm/fill"> <span class="t-lines"><span>fill</span></span></a></div></div>
</td>
<td>   将一个给定值复制赋值给一个范围内的每个元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/fill_n.html" title="cpp/algorithm/fill n"> <span class="t-lines"><span>fill_n</span></span></a></div></div>
</td>
<td>   将一个给定值复制赋值给一个范围内的 N 个元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/transform.html" title="cpp/algorithm/transform"> <span class="t-lines"><span>transform</span></span></a></div></div>
</td>
<td>   将一个函数应用于某一范围的各个元素，并在目标范围存储结果  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/generate.html" title="cpp/algorithm/generate"> <span class="t-lines"><span>generate</span></span></a></div></div>
</td>
<td>  将相继的函数调用结果赋值给一个范围中的每个元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/generate_n.html" title="cpp/algorithm/generate n"> <span class="t-lines"><span>generate_n</span></span></a></div></div>
</td>
<td>  将相继的函数调用结果赋值给一个范围中的 N 个元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/remove.html" title="cpp/algorithm/remove"> <span class="t-lines"><span>remove</span><span>remove_if</span></span></a></div></div>
</td>
<td>  移除满足特定判别标准的元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/remove_copy.html" title="cpp/algorithm/remove copy"> <span class="t-lines"><span>remove_copy</span><span>remove_copy_if</span></span></a></div></div>
</td>
<td>   复制一个范围的元素，忽略满足特定判别标准的元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/replace.html" title="cpp/algorithm/replace"> <span class="t-lines"><span>replace</span><span>replace_if</span></span></a></div></div>
</td>
<td>   将所有满足特定判别标准的值替换为另一个值  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/replace_copy_if.html" title="cpp/algorithm/replace copy"> <span class="t-lines"><span>replace_copy</span><span>replace_copy_if</span></span></a></div></div>
</td>
<td>   复制一个范围内的元素，并将满足特定判别标准的元素替换为另一个值  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/swap.html" title="cpp/algorithm/swap"> <span class="t-lines"><span>swap</span></span></a></div></div>
</td>
<td>   交换两个对象的值  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/swap_ranges.html" title="cpp/algorithm/swap ranges"> <span class="t-lines"><span>swap_ranges</span></span></a></div></div>
</td>
<td>   交换两个范围的元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/iter_swap.html" title="cpp/algorithm/iter swap"> <span class="t-lines"><span>iter_swap</span></span></a></div></div>
</td>
<td>   交换两个迭代器所指向的元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/reverse.html" title="cpp/algorithm/reverse"> <span class="t-lines"><span>reverse</span></span></a></div></div>
</td>
<td>   逆转范围中的元素顺序  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/reverse_copy.html" title="cpp/algorithm/reverse copy"> <span class="t-lines"><span>reverse_copy</span></span></a></div></div>
</td>
<td>   创建一个范围的逆向副本  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/rotate.html" title="cpp/algorithm/rotate"> <span class="t-lines"><span>rotate</span></span></a></div></div>
</td>
<td>   旋转范围中的元素顺序  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/rotate_copy.html" title="cpp/algorithm/rotate copy"> <span class="t-lines"><span>rotate_copy</span></span></a></div></div>
</td>
<td>   复制并旋转元素范围 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/shift.html" title="cpp/algorithm/shift"> <span class="t-lines"><span>shift_left</span><span>shift_right</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div>
</td>
<td>  迁移范围中的元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/random_shuffle.html" title="cpp/algorithm/random shuffle"> <span class="t-lines"><span>random_shuffle</span><span>shuffle</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-until-cxx17">(C++17 前)</span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   随机重排范围中的元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/sample.html" title="cpp/algorithm/sample"> <span class="t-lines"><span>sample</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div>
</td>
<td>   从一个序列中随机选择 n 个元素 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/unique.html" title="cpp/algorithm/unique"> <span class="t-lines"><span>unique</span></span></a></div></div>
</td>
<td>   移除范围内的连续重复元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/unique_copy.html" title="cpp/algorithm/unique copy"> <span class="t-lines"><span>unique_copy</span></span></a></div></div>
</td>
<td>   创建某范围的不含连续重复元素的副本  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E5.88.92.E5.88.86.E6.93.8D.E4.BD.9C">  划分操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/is_partitioned.html" title="cpp/algorithm/is partitioned"> <span class="t-lines"><span>is_partitioned</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   判断范围是否已按给定的谓词划分  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/partition.html" title="cpp/algorithm/partition"> <span class="t-lines"><span>partition</span></span></a></div></div>
</td>
<td>    将范围中的元素分为两组  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/partition_copy.html" title="cpp/algorithm/partition copy"> <span class="t-lines"><span>partition_copy</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   复制一个范围，将各元素分为两组  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/stable_partition.html" title="cpp/algorithm/stable partition"> <span class="t-lines"><span>stable_partition</span></span></a></div></div>
</td>
<td>   将元素分为两组，同时保留其相对顺序  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/partition_point.html" title="cpp/algorithm/partition point"> <span class="t-lines"><span>partition_point</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   定位已划分范围的划分点  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.8E.92.E5.BA.8F.E6.93.8D.E4.BD.9C">  排序操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/is_sorted.html" title="cpp/algorithm/is sorted"> <span class="t-lines"><span>is_sorted</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   检查范围是否已按升序排列  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/is_sorted_until.html" title="cpp/algorithm/is sorted until"> <span class="t-lines"><span>is_sorted_until</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>  找出最大的已排序子范围 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/sort.html" title="cpp/algorithm/sort"> <span class="t-lines"><span>sort</span></span></a></div></div>
</td>
<td>   将范围按升序排序  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/partial_sort.html" title="cpp/algorithm/partial sort"> <span class="t-lines"><span>partial_sort</span></span></a></div></div>
</td>
<td>   排序一个范围的前 N 个元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/partial_sort_copy.html" title="cpp/algorithm/partial sort copy"> <span class="t-lines"><span>partial_sort_copy</span></span></a></div></div>
</td>
<td>   对范围内的元素进行复制并部分排序  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/stable_sort.html" title="cpp/algorithm/stable sort"> <span class="t-lines"><span>stable_sort</span></span></a></div></div>
</td>
<td>   将范围内的元素排序，同时保持相等的元素之间的顺序  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/nth_element.html" title="cpp/algorithm/nth element"> <span class="t-lines"><span>nth_element</span></span></a></div></div>
</td>
<td>   将给定的范围部分排序，确保其按给定元素划分  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".EF.BC.88.E5.B7.B2.E6.8E.92.E5.BA.8F.E8.8C.83.E5.9B.B4.E4.B8.8A.E7.9A.84.EF.BC.89.E4.BA.8C.E5.88.86.E6.90.9C.E7.B4.A2.E6.93.8D.E4.BD.9C">  （已排序范围上的）二分搜索操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/lower_bound.html" title="cpp/algorithm/lower bound"> <span class="t-lines"><span>lower_bound</span></span></a></div></div>
</td>
<td>   返回指向第一个<i>不小于</i>给定值的元素的迭代器  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/upper_bound.html" title="cpp/algorithm/upper bound"> <span class="t-lines"><span>upper_bound</span></span></a></div></div>
</td>
<td>   返回指向第一个<i>大于</i>给定值的元素的迭代器  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/binary_search.html" title="cpp/algorithm/binary search"> <span class="t-lines"><span>binary_search</span></span></a></div></div>
</td>
<td>   确定元素是否存在于某范围中  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/equal_range.html" title="cpp/algorithm/equal range"> <span class="t-lines"><span>equal_range</span></span></a></div></div>
</td>
<td>   返回匹配特定键值的元素范围  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E5.85.B6.E4.BB.96.E5.B7.B2.E6.8E.92.E5.BA.8F.E8.8C.83.E5.9B.B4.E4.B8.8A.E7.9A.84.E6.93.8D.E4.BD.9C">  其他已排序范围上的操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/merge.html" title="cpp/algorithm/merge"> <span class="t-lines"><span>merge</span></span></a></div></div>
</td>
<td>   归并两个已排序的范围  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/inplace_merge.html" title="cpp/algorithm/inplace merge"> <span class="t-lines"><span>inplace_merge</span></span></a></div></div>
</td>
<td>   就地归并两个有序范围  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".EF.BC.88.E5.B7.B2.E6.8E.92.E5.BA.8F.E8.8C.83.E5.9B.B4.E4.B8.8A.E7.9A.84.EF.BC.89.E9.9B.86.E5.90.88.E6.93.8D.E4.BD.9C">  （已排序范围上的）集合操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/includes.html" title="cpp/algorithm/includes"> <span class="t-lines"><span>includes</span></span></a></div></div>
</td>
<td>   若一个集合是另一个的子集则返回 true  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/set_difference.html" title="cpp/algorithm/set difference"> <span class="t-lines"><span>set_difference</span></span></a></div></div>
</td>
<td>   计算两个集合的差集  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/set_intersection.html" title="cpp/algorithm/set intersection"> <span class="t-lines"><span>set_intersection</span></span></a></div></div>
</td>
<td>   计算两个集合的交集  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/set_symmetric_difference.html" title="cpp/algorithm/set symmetric difference"> <span class="t-lines"><span>set_symmetric_difference</span></span></a></div></div>
</td>
<td>   计算两个集合的对称差 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/set_union.html" title="cpp/algorithm/set union"> <span class="t-lines"><span>set_union</span></span></a></div></div>
</td>
<td>   计算两个集合的并集  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E5.A0.86.E6.93.8D.E4.BD.9C">  堆操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/is_heap.html" title="cpp/algorithm/is heap"> <span class="t-lines"><span>is_heap</span></span></a></div></div>
</td>
<td>   检查给定范围是否为一个最大堆  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/is_heap_until.html" title="cpp/algorithm/is heap until"> <span class="t-lines"><span>is_heap_until</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   查找能成为最大堆的最大子范围  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/make_heap.html" title="cpp/algorithm/make heap"> <span class="t-lines"><span>make_heap</span></span></a></div></div>
</td>
<td>   从一个元素范围创建出一个最大堆  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/push_heap.html" title="cpp/algorithm/push heap"> <span class="t-lines"><span>push_heap</span></span></a></div></div>
</td>
<td>   将一个元素加入到一个最大堆  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/pop_heap.html" title="cpp/algorithm/pop heap"> <span class="t-lines"><span>pop_heap</span></span></a></div></div>
</td>
<td>   从最大堆中移除最大元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/sort_heap.html" title="cpp/algorithm/sort heap"> <span class="t-lines"><span>sort_heap</span></span></a></div></div>
</td>
<td>   将一个最大堆变成一个按升序排序的元素范围  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.9C.80.E5.B0.8F.2F.E6.9C.80.E5.A4.A7.E6.93.8D.E4.BD.9C">  最小/最大操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/max.html" title="cpp/algorithm/max"> <span class="t-lines"><span>max</span></span></a></div></div>
</td>
<td>   返回各给定值中的较大者  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/max_element.html" title="cpp/algorithm/max element"> <span class="t-lines"><span>max_element</span></span></a></div></div>
</td>
<td>   返回范围内的最大元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/min.html" title="cpp/algorithm/min"> <span class="t-lines"><span>min</span></span></a></div></div>
</td>
<td>   返回各给定值中的较小者 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/min_element.html" title="cpp/algorithm/min element"> <span class="t-lines"><span>min_element</span></span></a></div></div>
</td>
<td>   返回范围内的最小元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/minmax.html" title="cpp/algorithm/minmax"> <span class="t-lines"><span>minmax</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>    返回两个元素的较小和较大者  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/minmax_element.html" title="cpp/algorithm/minmax element"> <span class="t-lines"><span>minmax_element</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   返回范围内的最小元素和最大元素  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/clamp.html" title="cpp/algorithm/clamp"> <span class="t-lines"><span>clamp</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div>
</td>
<td>   在一对边界值间夹逼一个值  <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.AF.94.E8.BE.83.E6.93.8D.E4.BD.9C">  比较操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/equal.html" title="cpp/algorithm/equal"> <span class="t-lines"><span>equal</span></span></a></div></div>
</td>
<td>   确定两个元素集合是否是相同的  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/lexicographical_compare.html" title="cpp/algorithm/lexicographical compare"> <span class="t-lines"><span>lexicographical_compare</span></span></a></div></div>
</td>
<td>   当一个范围按字典顺序小于另一个范围时，返回 true  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/lexicographical_compare_three_way.html" title="cpp/algorithm/lexicographical compare three way"> <span class="t-lines"><span>lexicographical_compare_three_way</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div>
</td>
<td>  用三路比较比较两个范围 <br> <span class="t-mark">(函数模板)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E6.8E.92.E5.88.97.E6.93.8D.E4.BD.9C">  排列操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/is_permutation.html" title="cpp/algorithm/is permutation"> <span class="t-lines"><span>is_permutation</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   判断一个序列是否为另一个序列的排列  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/next_permutation.html" title="cpp/algorithm/next permutation"> <span class="t-lines"><span>next_permutation</span></span></a></div></div>
</td>
<td>   产生某个元素范围的按字典顺序的下一个较大的排列  <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/prev_permutation.html" title="cpp/algorithm/prev permutation"> <span class="t-lines"><span>prev_permutation</span></span></a></div></div>
</td>
<td>   产生某个元素范围的按字典顺序的下一个较小的排列  <br> <span class="t-mark">(函数模板)</span> </td></tr>
</table>
<h3><span class="mw-headline" id="Niebloid">Niebloid</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc-header">
<td colspan="2"> <div>定义于命名空间 <code>std::ranges</code></div>
</td></tr>

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E4.B8.8D.E4.BF.AE.E6.94.B9.E5.BA.8F.E5.88.97.E7.9A.84.E6.93.8D.E4.BD.9C_2">  不修改序列的操作 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../algorithm/ranges/all_any_none_of.html" title="cpp/algorithm/ranges/all any none of"> <span class="t-lines"><span>all_of</span><span>any_of</span><span>none_of</span></span></a></div></div>
</td>
<td>  检查谓词是否对范围中所有、任一或无元素为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> <br> <span class="t-mark">(niebloid)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/algorithm/ranges/for_each&amp;action=edit&amp;redlink=1" class="new" title="cpp/algorithm/ranges/for each（页面不存在）"> <span class="t-lines"><span>for_each</span></span></a></div></div>
</td>
<td>  应用函数到范围中的元素 <br> <span class="t-mark">(niebloid)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/algorithm/ranges/count&amp;action=edit&amp;redlink=1" class="new" title="cpp/algorithm/ranges/count（页面不存在）"> <span class="t-lines"><span>count</span><span>count_if</span></span></a></div></div>
</td>
<td>  返回满足指定判别标准的元素数 <br> <span class="t-mark">(niebloid)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/algorithm/ranges/mismatch&amp;action=edit&amp;redlink=1" class="new" title="cpp/algorithm/ranges/mismatch（页面不存在）"> <span class="t-lines"><span>mismatch</span></span></a></div></div>
</td>
<td>  寻找两个范围出现不同的首个位置 <br> <span class="t-mark">(niebloid)</span> </td></tr>
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<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">概要</span></h3>
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